adam live in boston with results from a new study. adam? >> well, wendy so many people rely on mass transit but how easy is it for you to use mass transportation and, more importantly, does it make sense. you don't have to go far to find a commuter train or bus. a new report from the broogings institution said places like downtown d.c., arlington is the best for linking jobs to transit. if you want to live in a place with numerous transit options, you'll usually have to pay a high housing cost for it. some workers simply can't live close to jobs. >> housing in these places is tough to afford and low income residents and middle class residents. >> reporter: if we're not carol, a whole segment of our community could essentially be pushed farther away from the area. >> we have to do a better job that the housing and transit are not connected, but people can afford to live in these places, which are so attractive right now. >> reporter: longer commutes add to the congestion problem. here on metro rail, commuters have mixed feelings with the roa